轉貼National Geographic Explains Fracking

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National Geographic Explains Fracking:

Last fall I drove across North Dakota and I'm going back next month to deliver a keynote for NDATL's annual conference. Because North Dakota is on my mind National Geographic grabbed my attention with a headline this month about shale oil and fracking in North Dakota. Even though it is a bit robotic, the National Geographic video below does a good job of illustrating the process without putting too much bias into the explanation.

This post originally appeared on Free Technology for Teachers
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